Lexmark C910 User Reference Manual page 236

88 <color> Toner
Low
What this message means:
The printer has detected that the toner supply in the specified cartridge is low. If you do not
have the specified toner cartridge, order one now. You can print approximately 250 more
pages before the cartridge becomes empty.
What you can do:
•
Replace the specified toner cartridge.
•
Press to clear the message and continue printing. The Supplies message is displayed
Go
until you replace the specified toner cartridge.
See also:
Replacing a toner cartridge
900–999 Service <message>
What these messages mean:
Messages 900–999 relate to printer problems that may require service.
What you can do:
Turn the printer off and check all cable connections. Turn the printer back on. If the service
message recurs, call for service and report the message number and description of the
problem.
See also:
Calling for service
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